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What is a car air conditioner electromagnetic clutch?
Source: | Author:zhongtaicn | Published time: 2014-04-04 | 1405 Views | Share:
Currently widely used in the car is a spring-loaded friction clutch (referred to as the friction clutch). The friction between the active part and the driven part of the clutch of the automobile by the contact surface, either the liquid as the transmission medium (fluid coupling) or the magnetic transmission (electromagnetic clutch) to transmit the torque between the two Can be temporarily separated, but also gradual engagement, in the transmission process allows two parts to each other.
Friction clutch should meet the following basic requirements:
(1) control effort, easy maintenance Mainly the role of deceleration.
(2) Has the ability to ease the impact of the direction of rotation, damping the vibration in the direction, and the noise is small.
(3) can be done when separation, complete separation, soft bonding, and has good cooling capacity.
(4) Follower part of the moment of inertia as small as possible. In this way, when disengaging the clutch, the speed of the part connected with the input shaft of the transmission is relatively easy to change, thereby reducing the impact between the gears.
(5) pressure plate and the friction coefficient of the friction plate changes small, stable work. To ensure that the engine can deliver the maximum torque, and there is a certain residual torque transmission torque.
(6) The torque of the engine is transmitted to the driven disc through the friction effect of the contact surface between the flywheel and the pressure plate and the driven disc. When the driver depresses the clutch pedal, through the transmission of the mechanical parts, the large end of the diaphragm spring drives the pressure plate to move backward, and the driven part is separated from the active part at this moment.